@article{GDZPPN002060647,
title = {On the Parametrization of Quasiconformal Mappings with Invariant Boundary Points in an Annulus},
journal = {Commentarii mathematici Helvetici},
volume = {47},
year = {1972},
pages = {213-219},
zbl = {0252.30028},
url = {http://dml.mathdoc.fr/item/GDZPPN002060647}
}
Lawrynowicz, Julian. On the Parametrization of Quasiconformal Mappings with Invariant Boundary Points in an Annulus. Commentarii mathematici Helvetici, Tome 47 (1972) pp. 213-219. http://gdmltest.u-ga.fr/item/GDZPPN002060647/